International Journal of Photoenergy / 2012 / Article / Fig 1

Research Article

Investigation on the Photoelectrocatalytic Activity of Well-Aligned TiO2 Nanotube Arrays

Figure 1

FESEM top-view images (a) and cross-section (b) of TiO2 nanotube arrays and the magnified image of the TiO2 nanotube arrays after annealing (c). TEM images of a typical annealed single TiO2 nanotube (d) and high magnification image showing a lattice spacing of 0.35 nm, corresponding to anatase phase (inset).

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